From 2c1e594fe70b22132ecec3a2a49e58c93f44c488 Mon Sep 17 00:00:00 2001
From: JW Wang <jwwang@mozilla.com>
Date: Tue, 15 Mar 2016 13:12:27 +0800
Subject: [PATCH] Bug 1236789. Part 2 - fix assertions when |aFlags ==
 NS_DISPATCH_TAIL|. r=bholley

MozReview-Commit-ID: E5a8zP9cMI6
---
 xpcom/threads/nsThreadPool.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xpcom/threads/nsThreadPool.cpp b/xpcom/threads/nsThreadPool.cpp
index 65ade4f60eff..8be613d57823 100644
--- a/xpcom/threads/nsThreadPool.cpp
+++ b/xpcom/threads/nsThreadPool.cpp
@@ -272,7 +272,8 @@ nsThreadPool::Dispatch(already_AddRefed<nsIRunnable>&& aEvent, uint32_t aFlags)
       NS_ProcessNextEvent(thread);
     }
   } else {
-    NS_ASSERTION(aFlags == NS_DISPATCH_NORMAL, "unexpected dispatch flags");
+    NS_ASSERTION(aFlags == NS_DISPATCH_NORMAL ||
+                 aFlags == NS_DISPATCH_TAIL, "unexpected dispatch flags");
     PutEvent(Move(aEvent), aFlags);
   }
   return NS_OK;